Home / 31,446.10-43,393.24-17,299.86

Finding the Fourth Proportional to 31,446.10, 43,393.24 and 17,299.86

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Solution

The fourth proportional to 31,446.10, 43,393.24 and 17,299.86 is: 23,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.10 : 43,393.24 = 17,299.86 : x
  2. Step 2: Convert to fraction form
    31,446.10/43,393.24 = 17,299.86/x
  3. Step 3: Cross multiply
    31,446.10x = 43,393.24 × 17,299.86
  4. Step 4: Simplify right side
    31,446.10x = 750,696,976.95
  5. Step 5: Solve for x
    x = 750,696,976.95/31,446.10
  6. Step 6: Final answer
    x = 23,872.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.